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qt: Use fixed-point arithmetic in amount spinbox

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Fixes various issues and cleans up code

- Fixes issue #4500: Amount widget +/- has floating point rounding artifacts
- Amount box can now be emptied again, without clearing to 0

Also aligns the amount to the right, as in other places.
This commit is contained in:
Wladimir J. van der Laan
2014-07-18 16:31:13 +02:00
parent d5a3fd10e5
commit 91cce1732b
6 changed files with 187 additions and 113 deletions
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9
src/qt/sendcoinsentry.cpp
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@@ -72,7 +72,7 @@ void SendCoinsEntry::setModel(WalletModel *model)
if (model && model->getOptionsModel())
connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
connect(ui->payAmount, SIGNAL(textChanged()), this, SIGNAL(payAmountChanged()));
connect(ui->payAmount, SIGNAL(valueChanged()), this, SIGNAL(payAmountChanged()));
connect(ui->deleteButton, SIGNAL(clicked()), this, SLOT(deleteClicked()));
connect(ui->deleteButton_is, SIGNAL(clicked()), this, SLOT(deleteClicked()));
connect(ui->deleteButton_s, SIGNAL(clicked()), this, SLOT(deleteClicked()));
@@ -130,6 +130,13 @@ bool SendCoinsEntry::validate()
retval = false;
}
// Sending a zero amount is invalid
if (ui->payAmount->value(0) <= 0)
{
ui->payAmount->setValid(false);
retval = false;
}
// Reject dust outputs:
if (retval && GUIUtil::isDust(ui->payTo->text(), ui->payAmount->value())) {
ui->payAmount->setValid(false);